fact-family/mul-div-within-20-write-all · 套题 7

6 problems
1
Fact family for {12, 3, 36}: Write all 4 equations =
2
Fact family for {3, 9, 27}: Write all 4 equations =
3
Fact family for {12, 12, 144}: Write all 2 equations =
4
Fact family for {6, 7, 42}: Write all 4 equations =
5
Fact family for {9, 3, 27}: Write all 4 equations =
6
Fact family for {3, 3, 9}: Write all 2 equations =
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